#VU27359 Permissions, Privileges, and Access Controls in 800xA Base


Published: 2020-04-27 | Updated: 2020-06-03

Vulnerability identifier: #VU27359

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-8473

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
800xA Base
Other software / Other software solutions

Vendor: ABB

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to weak file permissions. A local user can modify the system-wide configuration and gain elevated privileges on the target system, or generate denialof-service effects through file deletion or modification.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

800xA Base: 6.1


External links
http://applied-risk.com/assets/uploads/whitepapers/AR2020002-ABB-800xA-MultipleVulnerabilities.pdf
http://search.abb.com/library/Download.aspx?DocumentID=2PAA121106&LanguageCode=en&DocumentPartId=&Action=Launch


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability